The main objective of this secondary analysis was to describe the nutritional status of the Better Outcomes in Labour Difficulty (BOLD) project study population and determine possible associations between maternal nutritional status (as reflected by maternal body mass index [BMI] at the time of birth) and severe neonatal outcomes. We also analyzed previous and index maternal pathologies to determine associations with neonatal outcomes.
We used the classification designed by Atalah for maternal BMI and compared with the HAPO study one. To describe the nutritional status of this population, figures of distribution and test of normality related to weight and BMI were presented for the women and their babies. To explore the association between maternal BMI data and severe neonatal outcomes (SNO), the chi square test was performed. To identify maternal characteristic or a group of characteristics that could predict SNO, we used Fisher’s exact test using previous maternal pathology collected in the BOLD project as well as that in the index pregnancy.
In this study, BMI at the time of birth was not associated with neonatal near miss or death. We found that previous maternal obesity, diabetes, and chronic hypertension were associated with SNO. Maternal pathology in the index pregnancy such as other obstetric hemorrhage, preeclampsia, anemia, and gestational diabetes were associated with SNO.